Question: What twinned administrative body of Norwich had a start time of 1978-1-1?
Paraphrase: What twinned authoritative body of Norwich had a begin time of 1978-1-1?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q130191 p:P190 ?s . ?s ps:P190 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1978')) }